stdlib: add termux clipboard suport for clip (#9334)

# Description

Added `termux-clipboard-set` to `std clip`

crates/nu-std/std/mod.nu

@@ -106,6 +106,7 @@ def check-clipboard [
 #   - xclip on linux x11
 #   - wl-copy on linux wayland
 #   - clip.exe on windows
+#   - termux-api on termux
 #
 # Examples:
 #     put a simple string to the clipboard, will be stripped to remove ANSI sequences
@@ -167,6 +168,10 @@ export def clip [
             check-clipboard pbcopy --system macOS
             $input | pbcopy
         },
+        "android" => {
+            check-clipboard termux-clipboard-set --system Termux
+            $input | termux-clipboard-set
+        },
         _ => {
             error make --unspanned {
                 msg: $"(ansi red)unknown_operating_system(ansi reset):